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HomeMy WebLinkAbout20041111 Ver 1_More Info Received_20050131-~ ~ Soil & Environmental Consultants, PA 11010 Raven Ridge Road Raleigh, North Carolina 27614 Phone: (919) 846-5900 Fax: (919) 846-9467 www.SandEC.com Transmittal To:~~~ ~ ~ ~w ~Z '~ Project #; ~Sc~~wo Date: ~ a.g JS C~~.a, 1r;~,..c ..a~ ~ Project Name: ~~ e,~ F V s~.ti Az~ ~~ ac~y a O~\3 ~ 2.~~-~ 2. os `~~ ~~ c~ -~ ~ ~1- ~~~ ~ File: We Transmit to you Herewith: Under Separate Cover: Drawings ^ For your information and files ^ By mail ^ Specifications ~- For comment or approval ^ By courier ^ Brochures or photos ^ Returned for correction, resubmit ^ By express [~ Correspondence ^ Approved as noted ^ As per your request No. Copies Document No. Date Description i ~GN ~dr.n~ ~ ~ a.x~-~ r Zr... S Remarks: 1~u-~,'~ ~\..L •r-~,,,,:~e~ ~C.~l '~b+- w. ~,~ If enclosures. are not as listed as above, kindly notify us at once. By: D ~~~ ae~ .Iq,ti 3 z Zo p (j,~~FNR Wq 45 Charlotte Office: 236 LePhillip Court, Suite C Concord, NC 28025 Phone: (704)720-9405 Fax: (704)720-9406 ~~,,~,_ Greensboro Office: tt %H 3817-E Lawndale Drive ' Greensboro, NC 27455 Phone:, (336) 540-8234 Fax: (336)540-8235 Environmental Consultants, PA Road Raleigh, North Carolina 27614 Phone: (919) 846-5900 Fax: (919) 846-9467 January 28, 2005 NCDENR-DWQ Attn: Mr. Bob Zarzecki 4401 Reedy Creek Road Raleigh, NC 27606 US Army Corps of Engineers Attn: Mr. Todd Tugwell 6508 Falls of the Neuse Rd., Ste. 120 Raleigh, NC 27615 RE: Nationwide Permits 12, 18, 39/401 Certification/Buffer Compliance Request Brightleaf at the Park. Durham, Durham County, North Carolina S&EC Project #: 00-5566 Dear Mr. Zarzecki and Mr. Tugwell: On behalf of Rhein Brightleaf, LLC, (property owner), we hereby request authorization from the US Army Corps of Engineers to use Nationwide Permits 12, 18, & 39 for the subject project to cover permanent and temporary impacts to stream channels and wetlands. We also request written concurrence from the NC Division of Water Quality (NC-DWQ) for Neuse River Buffer Impacts and 401 Certification. APre-construction Notification Application (PCN) is attached, which includes an agent authorization form. The proposed project, which consists of residential housing and commercial development, is located north of Highway 70, approximately 2000 feet northeast of the intersection of Highway 70 and Sherron Road (SR 1811). Please refer to the USGS topographic map attached for the location of the project. S&EC conducted a detailed wetland delineation and Neuse River Basin (NRB) Riparian Buffer evaluation on the property in April and May of 2003 for the residential section of the property, and in April of 2004 for the commercial section of the property. Ms. Debbie Edwards confirmed the buffer determination on the commercial portion of the site (see attached letter). Mr. Todd Tugwell and Mr. Steve Mitchell approved the delineation and buffer evaluation, respectively. Mr. Mike Horan of the NC Division of Water Quality conducted intermittent/perennial determinations on May 27, 2004 and Mr. Todd Tugwell confirmed our `importance' determinations on May 11, 2004. Rhein Brightleaf LLC subsequently designed the proposed residential site plan to avoid jurisdictional waters and riparian buffers to the maximum extent practicable. In fact, except for two road crossings, all of the proposed impacts are to `unimportant' channels. Chazlotte Office: Greensboro Office: 236 LePhillip Court, Suite C 3817-E Lawndale Drive Concord, NC 28025 Greensboro, NC 27455 Phone: (704)720-9405 Phone: (336)540-8234 Fax: (704)720-9406 Fax: (336)540-8235 January 28, 2005 S&EC Project #: 5566.W0 Page 2 of 2 Due to DOT constraints and the fact that the right-of--way was previously platted, wetland and/or stream channel impacts could not be avoided at the Highway 70 entrance into the subdivision. Moreover, this Entrance is needed to provide safe ingress and egress into the subdivision. (Impacts A-1 and B-l; see attached letter from the project engineer). Due to the size of the site, and topographical and road design constraints, impacts to stream channels, buffers, and wetlands are unavoidable. Current proposed temporary impacts include 0.364 acres of wetlands, 4821inear feet of stream channel, and 0.65 acres of buffers (Zone 1:0.415 acres and Zone 2: 0.235 acres). Permanent impacts due to road construction include 0.336 acres of jurisdictional wetlands, and 0.0653 acres of isolated wetlands. Channel impacts include 1,113 linear feet of unimportant stream channel, 197 l.f. of isolated stream channel, and 299 l.f. of important stream channel. Neuse River Riparian Buffers will also be impacted and include 0.647 acres of isolated buffers and 3.68 acres of riparian buffer impacts adjacent to jurisdictional stream channels. The engineer has provided justification for impacts. Please refer to the comments dated August 31, 2004. The USACE's current policy requires applicants to avoid and minimize wetland and stream channel impacts to the maximum extent practicable and compensatory mitigation to offset unavoidable losses of waters of the US when impacts exceed the requirements for notification (0.10 acre) or if a discharge to a special aquatic site such as wetlands is proposed. Because impacts to wetlands exceed 0.1 acres the applicant proposes payment to the EEP. NC-DWQ's current policy requires mitigation for stream impacts greater than 1501inear feet per project and for wetland impacts greater than 1 acre. Because perennial channel impacts exceed 1501inear feet, the applicant proposes payment to the EEP.. Additionally, a number of the proposed road crossings will also require buffer mitigation (i.e. impacts > 1 /3 acre or 1501inear feet). Because the site will contain less than 24% impervious surface (as per the City of Durham requirements) we do not believe a stormwater management plan should be required. The applicant will insure that stormwater enters the buffers at anon-erosive velocity through the use of appropriate BMP devices. Sincerely, ~~: L---= Todd Preuninger Biologist/Environmental Scientist Attachments: Pre=construction (PCN) notification form Impact Maps Off ce Use Only: Form Version May 2002 USAGE Action ID No. DWQ No. (If any particular item is not applicable to this project, please enter "Not Applicable" or "N/A".) I. Processing 1. Check all of the approval(s) requested for this project: ® Section 404 Permit ® Riparian or Watershed Buffer Rules ^ Section 10 Permit ® Isolated Wetland Permit from DWQ ® 401 Water Quality Certification 2. Nationwide, Regional or General Permit Number(s) Requested: NWP 12, 18, & 39 3. If this notification is solely a courtesy copy because written approval for the 401 Certification is not required, check here: ^ 4. If payment into the North Carolina Wetlands Restoration Program (NCWRP) is proposed for mitigation of impacts (verify availability with NCWRP prior to submittal of PCN), complete section VIII and check here: 5. If your project is located in any of North Carolina's twenty coastal counties (listed on page 4), and the project is within a North Carolina Division of Coastal Management Area of Environmental Concern (see the top of page 2 for further details), check here: ^ II. Applicant Information 1. Owner/Applicant Information Name: Rhein Brightleaf, LLC -Attention Mr. Richard Westmoreland Mailing Address: 4000 Westchase Blvd., Suite 310 Raleigh, NC 27607 Telephone Number: 919-834-2766 Fax Number: NA E-mail Address: NA 2. Agent/Consultant Information (A signed and dated copy of the Agent Authorization letter must be attached if the Agent has signatory authority for the owner/applicant.) Name: Todd Preuninger Company Affiliation: Soil & Environmental Consultants, PA Mailing Address: 11010 Raven Ridge Road Raleigh NC 27614 Telephone Number: (919)846-5900 Fax Number: (919)846-9467 E-mail Address: Preuning_er(cr~,SandEC.com Page 1 of 10 III. Project Information Attach a vicinity map clearly showing the location of the property with respect to local landmarks such as towns, rivers, and roads. Also provide a detailed site plan showing property boundaries and development plans in relation to surrounding properties. Both the vicinity map and site plan must include a scale and north arrow. The specific footprints of all buildings, impervious surfaces, or other facilities must be included. If possible, the maps and plans should include the appropriate USGS Topographic Quad Map and NRCS Soil Survey with the property boundaries outlined. Plan drawings, or other maps maybe included at the applicant's discretion, so long as the property is clearly defined. For administrative and distribution purposes, the USACE requires information to be submitted on sheets no larger than 11 by 17-inch format; however, DWQ may accept paperwork of any size. DWQ prefers full-size construction drawings rather than a sequential sheet version of the full-size plans. If full-size plans are reduced to a small scale such that the final version is illegible, the applicant will be informed that the project has been placed on hold until decipherable maps are provided. 1. Name of project: Bri~,htleaf at the Park 2. T.I.P. Project Number or State Project Number (NCDOT Only): NA 3. Property Identification Number (Tax PIN): 0850-02-75-7790, 0850-02-85-9943, 0850-04- 83-2103, 0850-03-40-5942, 0850-04-61-1440 0850-04-72-0429 0850-03-21-4274 0850-03- 30-3502, 0850-03-32-3444, 0850-03-42-7587, 0759-01-19-9198 0850-03-01-7009 0850-03- 02-9321 4. Location County: Durham Nearest Town: Durham Subdivision name (include phase/lot number): Brightleaf at the Park Directions to site (include road numbers, landmarks, etc.): The subject site is located north of Hi way 70, approximately 2000 feet northeast of the intersection of Hi way 70 and Sherron Road (SR 1811). 5. Site coordinates, if available (UTM or Lat/Long):035° 57' 7.67" N 078° 48' 49.29"W (Note - If project is linear, such as a road or utility line, attach a sheet that separately lists the coordinates for each crossing of a distinct waterbody.) 6. Property size (acres): +\- 554 acres 7. Nearest body of water (stream/river/sound/ocean/lake): Lick Creek 8. River Basin: Neuse (Note -this must be one of North Carolina's seventeen designated major river basins. The River Basin map is available at http://h2o.enr.state.nc.us/admin/maps/.) 9. Describe the existing conditions on the site and general land use in the vicinity of the project at the time of this application: The subject property is currently wooded. Page 2 of 10 10. Describe the overall project in detail, including the type of equipment to be used: The project consists of the construction of a residential subdivision Heavy equipment associated with land clearing and construction will be utilized. This subdivision will provide the typical infrastructure such as sewer, roadways electrical etc 11. Explain the purpose of the proposed work: The proposed development is being undertaken to meet the demand for housing in this area. IV. Prior Project History If jurisdictional determinations and/or permits have been requested and/or obtained for this project (including all prior phases of the same subdivision) in the past, please explain. Include the USACE Action ID Number, DWQ Project Number, application date, and date permits and certifications were issued or withdrawn. Provide photocopies of previously issued permits, certifications or other useful information. Describe previously approved wetland, stream and buffer impacts, along with associated mitigation (where applicable). If this is a NCDOT project, list and describe permits issued for prior segments of the same T.I.P. project, along with construction schedules. S&EC conducted a detailed wetland delineation and Neuse River Buffer evaluation in April and Mav of 2003 Wetland delineation maps were approved by Mr Todd Tugwell of the USACE on April 12, 2004 (AID #2004205941. A site visit for stream importance / significance calls was made on Mav 11, 2004 by Todd Tugwell of the USACE and on May 27 2004 by Mike Horan of the NCDWO. V. Future Project Plans Are any future permit requests anticipated for this project? If so, describe the anticipated work, and provide justification for the exclusion of this work from the current application. No future permits are anticipated for this project VI. Proposed Impacts to Waters of the United States/Waters of the State It is the applicant's (or agent's) responsibility to determine, delineate and map all impacts to wetlands, open water, and stream channels associated with the project. The applicant must also provide justification for these impacts in Section VII below. All proposed impacts, permanent and temporary, must be listed herein, and must be clearly identifiable on an accompanying site plan. All wetlands and waters, and all streams (intermittent and perennial) must be shown on a delineation map, whether or not impacts are proposed to these systems. Wetland and stream evaluation and delineation forms should be included as appropriate. Photographs may be included at the applicant's discretion. If this proposed impact is strictly for wetland or stream mitigation, list and describe the impact in Section VIII below. If additional space is needed for listing or description, please attach a separate sheet. 1. Provide a written description of the proposed impacts: The proposed permanent impacts consist of 299 feet of important channel 1 113 linear feet of unimportant channel 197 linear Page 3 of 10 feet of isolated intermittent channel, 0.336 acres of jurisdictional wetlands and 0 163 acres of waters of the US, and 0.0653 acres of isolated wetlands resulting from road construction and lot fill. Permanent buffer impacts include 0.647 acres of isolated buffers and 3 68 acres of riparian buffer impacts adjacent to jurisdictional stream channels The proposed temporary impacts include 482.1 linear feet of stream channel and 0 364 acres of wetlands due to sewer line installment. Temporary buffer impacts consist of 0 65 acres of which 0 415 acres are in Zone 1 and 0.235 acres are in Zone 2. 2. Individually list wetland impacts below: Wetland Impact Site Number indicate on ma Type of Impact* Area of Impact acres Located within 100-year Floodplain** es/no Distance to Nearest Stream linear feet Type of Wetland*** 8-2(NWP 12) Temporary .0049 yes 380 Forested Wetland 38A-1(NWP 12) Temporary .019 no 450 Forested Wetland 8 (NWP 12) Temporary .1516 no 40 Forested Wetland 9 (NWP 12) Temporary 0.062 no 40 Forested Wetland 10 (NWP 12) Temporary 0.059 no 40 Forested Wetland 11 (NWP 12) Temporary 0.067 no 40 Forested Wetland 7-2 (NWP 18) Stormwater Device .0101 no 40 Forested Wetland 8-3 (NWP 18) Stormwater Device ,0098 no 45 Forested Wetland 19-8(NWP 18) Stormwater Device .0055 no 90 Forested Wetland 38-1(NWP 18) Stormwater Device .004 no 90 Forested Wetland 17-3(NWP 39) Road Crossing .018 yes 0 Forested Wetland 3-13(NWP 39) Road Crossing .0046 yes 75 Forested Wetland 1-1(NWP 39) Fill .036 yes 350 Forested Wetland 1-2(NWP 39) Road Crossing .0167 yes 350 Forested Wetland 1-3(NWP 39) Fill .005 yes 370 Forested Wetland 1-4(NWP 39) Road Crossing .0067 yes 400 Forested Wetland 1-5(NWP 39) Fill .0221 yes 600 Forested Wetland 1-6(NWP 39) Road Crossing .0197 yes 750 Forested Wetland 1-7(NWP 39) Fill and Sewer .0352 yes 780 Forested Wetland 1-8(NWP 39) Fill and Sewer .054 yes 850 Forested Wetland 12-2 (NWP 39) Road Crossing .007 no 40 Forested Wetland 37-1(NWP 39) Road Crossing .054 no 250 Isolated Wetland A-1(NWP 39) Road Crossing .08 no 0 Forested Wetland B-1(NWP 39) Road Crossing .0232 no 20 Isolated Wetland ust each impact separately and identity temporary impacts. Impacts include, but are not limited to: mechanized clearing, grading, fill, excavation, flooding, ditching/drainage, etc. For dams, separately list impacts due to both structure and flooding. ** 100-Year floodplains are identified through the Federal Emergency Management Agency's (FEMA) Flood Insurance Rate Maps (FIRM), or FEMA-approved local floodplain maps. Maps are available through the FEMA Map Service Center at 1-800-358-9616, or online at http://www.fema.¢ov. Page 4 of 10 *** List a wetland type that best describes wetland to be impacted (e.g., freshwater/saltwater marsh, forested wetland, beaver pond, Carolina Bay, bog, etc.) Indicate if wetland is isolated (determination of isolation to be made by USACE only). List the total acreage (estimated) of all existing wetlands on the property: 10.125 Acres Total area of wetland impact proposed: 0.7 acres - (0.336 acres perm + 0.362 temp.), + 0.0772 acres of isolated wetlands 3. Individually list all intermittent and perennial stream impacts below: Stream Impact Site Number indicate on ma Type of Impact* Length of Impact linear feet Stream Name** Average Width of Stream Before Im act Perennial or Intermittent? leases eci 3-3(NWP 12) Temporary 40 Lick Creek 10-12' perennial 3-4(NWP 12) Temporary 40 Lick Creek 10-12' perennial 7-3(NWP 12) Temporary 40 UT to Lick Creek 2-3' intermittent 3-9(NWP 12) Temporary 40 Lick Creek 10-12' perennial 3-2(NWP 12) Temporary 40 Lick Creek 10-12' perennial 3-14 (NWP12) Temporary 20 UT to lick creek 2-3 intermittent 3-10(NWP 12) Temporary 40 Lick Creek 10-12' perennial 3-12(NWP 12) Temporary 40 Lick Creek 10-12' perennial 1 (NWP12) Temporary/ Excavation 30 UT Tributary to Lick Creek 10' intermittent 2 (NWP 12) Temporary/ Excavation 11 2 UT Tributary to Lick Creek 4' intermittent 3 (NWP 12) Temporary/ Excavation 42 UT Tributary to Lick Creek 3' intermittent 4 (NWP12) Temporary/ Excavation 37 4 UT Tributary to Lick Creek 10' intermittent 5 (NWP12) Temporary/ Excavation 30 Lick Creek 15' perennial 9 (NWP12) Temporary/ Excavation 31.5 Lick Creek 15' perennial 3-1 (NWP39) Road Crossing 142 Lick Creek 10-12' perennial 19-9 (NWP39) Road Crossing 246 UT to Lick Creek 2-3 intermittent 3-15(NWP 39) Road Crossing 157 UT to Lick Creek 2-3' perennial 19-3 (NWP39) Road Crossing 377 UT to Lick Creek 2-3 intermittent 20-2(NWP 39) Road Crossing 197 UT to Lick Creek 2-3' isolated, intermittent 12-2(NWP 39) Road Crossing 200 UT to Lick Creek 2-3' perenniaVunimportant A-1(NWP 39) Road Crossing 290 UT to Lick Creek 4-5' inteanittendunimportant * List each impact separately and identify temporary impacts. Impacts include, but are not limited to: culverts and associated rip-rap, dams (separately list impacts due to both structure and flooding), relocation (include linear feet before and after, and net loss/gain), stabilization activities (cement wall, rip-rap, crib wall, gabions, etc.), excavation, ditching/straightening, etc. If stream relocation is proposed, plans and profiles showing the linear footprint for both the original and relocated streams must be included. ** Stream names can be found on USGS topographic maps. If a stream has no name, list as UT (unnamed tributary) to the nearest downstream named stream into which it flows. USGS maps are available through the USGS at 1-800-358-9616, or online at Page 5 of 10 www.us¢s.eov. Several Internet sites also allow direct download and printing of USGS maps (e.g., www.to~ozone.com, www.map~uest.com, etc.). Cumulative impacts (linear distance in feet) to all streams on site: permanent impacts consist of 1,113 l.f. of unimportant channel, 2991.f. of important channel, 1971.f. of isolated channel. Temporary impacts consist of 482.1 linear feet of channel -total impacts consist of 2,091.1 linear feet of jurisdictional channel. 4. Individually list all open water impacts (including lakes, ponds, estuaries, sounds, Atlantic Ocean and any other water of the U.S.) below: Open Water Impact Area of Name of Waterbody Type of Waterbody Site Number * Type of Impact Impact (if applicable) (lake, pond, estuary, sound, indicate on ma acres ba ,ocean, etc. NA NA NA NA NA * List each impact separately and identify temporary impacts. Impacts include, but are not limited to: fill, excavation, dredging, flooding, drainage, bulkheads, etc. Pond Creation If construction of a pond is proposed, associated wetland and stream impacts should be included above in the wetland and stream impact sections. Also, the proposed pond should be described here and illustrated on any maps included with this application. Pond to be created in (check all that apply): ^ uplands ^ stream ^ wetlands Describe the method of construction (e.g., dam/embankment, excavation, installation of draw-down valve or spillway, etc.): NA Proposed use or purpose of pond (e.g., livestock watering, irrigation, aesthetic, trout pond, local stormwater requirement, etc.): NA Size of watershed draining to pond: NA Expected pond surface area: NA VII. Impact Justification (Avoidance and Minimization) Specifically describe measures taken to avoid the proposed impacts. It maybe useful to provide information related to site constraints such as topography, building ordinances, accessibility, and financial viability of the project. The applicant may attach drawings of alternative, lower-impact site layouts, and explain why these design options were not feasible. Also discuss how impacts were minimized once the desired site plan was developed. If applicable, discuss construction techniques to be followed during construction to reduce impacts. The applicant requested a detailed delineation of wetlands on property in order to avoid jurisdictional wetlands and waters to the maximum extend practicable. In order to access the portions of the property located west of channel 17, a road crossin is required. Crossin ag t the location shown for impact 17-2, allows the applicant to place the impacts as far upstream as possible. It also allows a street pattern that does not require a permanent road crossing impact to the Neuse Buffer along stream 16. The area around channel 19 is difficult to deal with due to the location of the drainages, the steepness of the topography, the alignment of the street system, and the design criteria for the streets. The alignment of the Northern Durham Parkway is set bX NCDOT, the Thoroughfare Plan for Durham, and the stringent vertical and horizontal design Page 6 of 10 standards mandated for this thoroughfare. The required separation between intersections along the Northern Durham Parkway further dictates the placement of the intersection with Golden Belt Parkway just west of impact 19-3. Due to the controlled access and intersection separation requirements associated with the design of this thoroughfare shifting this intersection to the north or south would conflict with the ability to,provide a second access to Northern Durham Parkway to the south, or the access to the north which will serve Tract 10 and the proposed Durham County school site located just north of Lick Creek. Given these constraints, the client has proposed to cross as close to perpendicular as possible Impact 19-3 is greatly constrained by the conditions outlined above. Without this proposed crossing the area of ap~roximatelX 4 acres located west of stream 19 and east of the Northern Durham Parkway could not be accessed. Crossing. impact A-1 is elaborated on in the attached letter from the engines VIII. Mitigation DWQ - In accordance with 15A NCAC 2H .0500, mitigation may be required by the NC Division of Water Quality for projects involving greater than or equal to one acre of impacts to freshwater wetlands or greater than or equal to 150 linear feet of total impacts to perennial streams. USAGE - In accordance with the Final Notice of Issuance and Modification of Nationwide Permits, published in the Federal Register on March 9, 2000, mitigation will be required when necessary to ensure that adverse effects to the aquatic environment are minimal. Factors including size and type of proposed impact and function and relative value of the impacted aquatic resource will be considered in determining acceptability of appropriate and practicable mitigation as proposed. Examples of mitigation that may be appropriate and practicable include, but are not limited to: reducing the size of the project; establishing and maintaining wetland and/or upland vegetated buffers to protect open waters such as streams; and replacing losses of aquatic resource functions and values by creating, restoring, enhancing, or preserving similar functions and values, preferable in the same watershed. If mitigation is required for this project, a copy of the mitigation plan must be attached in order for USAGE or DWQ to consider the application complete for processing. Any application lacking a required mitigation plan or NCWRP concurrence shall be placed on hold as incomplete. An applicant may also choose to review the current guidelines for stream restoration in DWQ's Draft Technical Guide for Stream Work in North Carolina, available at http://h2o. enr.state.nc.us/ncwetlands/strmgide.html. 1. Provide a brief description of the proposed mitigation plan. The description should provide as much information as possible, including, but not limited to: site location (attach directions and/or map, if offsite), affected stream and river basin, type and amount (acreage/linear feet) of mitigation proposed (restoration, enhancement, creation, or preservation), a plan view, preservation mechanism (e.g., deed restrictions, conservation easement, etc.), and a description of the current site conditions and proposed method of construction. Please attach a separate sheet if more space is needed. The applicant proposes payment to the NC-EEP Page 7 of 10 2. Mitigation may also be made by payment into the North Carolina Wetlands Restoration Program (NCWRP). Please note it is the applicant's responsibility to contact the NCWRP at (919) 733-5208 to determine availability and to request written approval of mitigation prior to submittal of a PCN. For additional information regarding the application process for the NCWRP, check the NCWRP website at http://h2o.enr.state.nc.us/wrp/index.htm. If use of the NCWRP is proposed, please check the appropriate box on page three and provide the following information: Amount of stream mitigation requested (linear feet): 798 feet Amount of buffer mitigation requested (square feet): 419,393 s.f. Amount of Riparian wetland mitigation requested (acres): 0.5 acre Amount ofNon-riparian wetland mitigation requested (acres): NA Amount of Coastal wetland mitigation requested (acres): NA IX. Environmental Documentation (required by DWQ) Does the project involve an expenditure of public (federal/state) funds or the use of public (federal/state) land? Yes ^ No If yes, does the project require preparation of an environmental document pursuant to the requirements of the National or North Carolina Environmental Policy Act (NEPA/SEPA)? Note: If you are not sure whether a NEPA/SEPA document is required, call the SEPA coordinator at (919) 733-5083 to review current thresholds for environmental documentation. Yes ^ No ^ If yes, has the document review been finalized by the State Clearinghouse? If so, please attach a copy of the NEPA or SEPA final approval letter. Yes ^ No ^ X. Proposed Impacts on Riparian and Watershed Buffers (required by DWQ) It is the applicant's (or agent's) responsibility to determine, delineate and map all impacts to required state and local buffers associated with the project. The applicant must also provide justification for these impacts in Section VII above. All proposed impacts must be listed herein, and must be clearly identifiable on the accompanying site plan. All buffers must be shown on a map, whether or not impacts are proposed to the buffers. Correspondence from the DWQ Regional Office may be included as appropriate. Photographs may also be included at the applicant's discretion. Will the project impact protected riparian buffers identified within 15A NCAC 2B .0233 (Meuse), 15A NCAC 2B .0259 (Tar-Pamlico), 15A NCAC 2B .0250 (Randleman Rules and Water Supply Buffer Requirements), or other (please identify )? Yes ® No ^ If you answered "yes", provide the following information: Page 8 of 10 Identify the square feet and acreage of impact to each zone of the riparian buffers. If buffer mitigation is required calculate the required amount of mitigation by applying the buffer multipliers. Zone* Impact s uare feet Multiplier Required Miti ation 1 115,353 3 See below 2 73,334 1.5 See below Total 218,445 See below * Zone 1 extends out 30 feet perpendicular from near bank of channel; Zone 2 extends an additiona120 feet from the edge of Zone 1. Mitigation will be required for impacts 3-15, 17-3, 19-9, 19-3, 20-2, 12-2, A-1, and 3-1 at the following amounts: Zone 1 - 115,353 x 3 = 346,059; Zone 2 - 39,643 x 1.5 = 73,334 Total = 419,393 s.f. required for miti ag tion If buffer mitigation is required, please discuss what type of mitigation is proposed (i.e., Donation of Property, Conservation Easement, Riparian Buffer Restoration /Enhancement, Preservation or Payment into the Riparian Buffer Restoration Fund). Please attach all appropriate information as identified within 15A NCAC 2B .0242 or .0260. The applicant has requested pa~nnent to the NC-EEP for buffer impacts. XI. Stormwater (required by DWQ) Describe impervious acreage (both existing and proposed) versus total acreage on the site. Discuss stormwater controls proposed in order to protect surface waters and wetlands downstream from the property. The site does not currently contain impervious surface. Following construction the site will contain less than 24% impervious surface; therefore, we do not believe apre-approved stormwater plan is required. Moreover because this site is located in a water supply watershed, Durham regulations prohibit any development that exceeds 24% impervious. The applicant will provide measures to insure that diffuse flow is achieved before Stormwater enters the buffers as well as maintain riparian buffers. XII. Sewage Disposal (required by DWQ) Clearly detail the ultimate treatment methods and disposition (non-discharge or discharge) of wastewater generated from the proposed project, or available capacity of the subject facility. Sanitary sewer Page 9 of 10 XIII. Violations (required by DWQ) Is this site in violation of DWQ Wetland Rules (15A NCAC 2H .0500) or any Buffer Rules? Yes ^ No Is this an after-the-fact permit application? Yes ^ No XIV. Other Circumstances (Optional): It is the applicant's responsibility to submit the application sufficiently in advance of desired construction dates to allow processing time for these permits. However, an applicant may choose to list constraints associated with construction or sequencing that may impose limits on work schedules (e.g., draw-down schedules for lakes, dates associated with Endangered and Threatened Species, accessibility problems, or other issues outside of the applicant's control). j/a2~/~~ AppGcan '~ gent's7Signature ~ Date (Agent's signature is valid only if an authorization letter from the applicant is provided.) Page 10 of 10 ~~ a~ ~ >_ ~ tit= t~T T t~ ~ ~'tt~K INLAND, CHANNEL AND NEUSE BUFFER IMPACT T ABLE TEMPORARY WETLAND, CHANNEL AND NEUSE BUFFER IMPACT TABLE I hPACT N0. B-2 3-3 3-4 7-3 19-2 3-9 3-2 3-14 38M 1 3-10 3-12 2 58~ JURISDICTIONAL 212 0 0 0 0 2 5~ JURISDICTIONAL 0 651 40 2462 773 3235 2 SCR JURISDICTIONAL O 676 40 2553 1572 4125 2 S~ JURISDICTIONUL 0 182 40 2069 1262 3331 3 SEWER JURISDICTIONAL 0 0 0 519 514 3 SB4~ JURISDICTIONAL 0 222 40 2062 1255 3317. 4 S~ JURISDICTIONAL 0 627 40 307b 1820 4896 4 WATERLINE JURISDICTIONAL 0 182 20 1358 533 1891 5 SEWER JURISDICTIONAL 826 0 0 0 D 6 SEWS JURISDICTIONAL 0 562 40 2699 1282 3981 6 S6fR JURISDICTIONAL 0 55 40 1816 1211 3027 TOTALS 1038 3157 300 18095 10227 28322 I M'AOT N0. PERMANENT WETLAND, CHANNEL AND NEUSE BUFFER IMPACT TABLE UNIMPORTANT / INTERMITTENT STREAMS Sh~T PINB'OSE 6ETLANDS CHNVNEL NHJSE BUFFER ZAP I ZONE 2 TOTAL SQ fT. SQ FT. LINEAR FT. SQ FT. 5Q FT. SQ FT. 7-2 8-3 17-3 19-3 20-2 3-13 2 STORM4ATER DEVICE JURISDICTIONAL 442 0 0 0 0 0 2 STORI`WATER DEVICE JURISDICTIONAL 428 0 0 0 0 0 3 ROAD JURISDICTIONAL 780 0 9552 5601 15153 3 ROAD CROSSING JURISDICTIONAL 0 1480 377 23600 14548 38148 3 ROAD CJtOS51NG ISOLATED 0 1165 197 15652 12550 28202 3 ROAD CROSSING JURISDICTIONAL 202 0 0 0 0 0 I-I 4 LOT FILL JURISDICTIONAL 1550 0 0 0 0 0 I-2 4 ROAD CROSSING JURISDICTIONAL 72B 0 0 0 0 4 I-3 4 LOT FILL JURISDICTIONAL 218 0 0 0 0 0 I-4 4 ROAD CROSSIN6 JURISDICTIONAL 290 0 0 0 0 0 I-5 4 LOT FILL JURISDICTIONAL 966 0 0 0 0 0 I-b 4 ROAD CROSSING JURISDIGTIONAI. 859 0 0 0 0 0 I-7 4 LOT FILL AND SEW52 JURISDICTIONAL 1534 0 0 0 0 0 I-8 4 LOT FILL AND SEDER JURISDICTIONAL 2373 0 0 0 0 0 12-2 5 ROAD CROSSING JURISDICTIONAL 315 411 200 10262 7852 18114 19-8 5 STORhWATER DEVICE JURISDICTIONAL 242 0 0 0 0 0 19-9 5 ROAD CROSSIN6 JURISDICTIONAL 0 983 246 15972 10073 26045 37-I 5 ROAD CROSSING ISOLATED 2345 0 0 0 0 0 38-1 5 STORM~NTER DEVICE JURISDICTIONAL t95 0 0 0 0 0 A-I 8 ROAD CROSSING JURISDICTIONAL 3520 805 290 15445 8195 23640 B-I 8 ROAD GROSSING ISOLATED 1014 0 D 0 0 0 TOTALS 18001 4844 1310 90483 58814 149302 TOTALS - ISOLATED 3359 1165 197 15652 12550 28202 TOTALS - JURISDIGTICNAL 14642 3679 1113 74831 4b269 121100 PERMANENT WETLAND, CHANNEL AND NEUSE BUFFER IMPACT TABLE IMPORTANT /PERENN IAL STREAMS Il'PAGT SHEFT PURPOSE WETLANDS CHANNE L NEUSE BUFFER ~' ZONE I ZA~E 2 TOTAL SQ FT. SQ FT. LINEAR FT. SQ fT. SQ FT. SQ FT. 3-I 4 ROAD CROSSING JURISDICTIONAL 0 976 142 9785 5830 15615 3-15 3 ROAD CROSSING JURISDICTIONAL 0 2465 157 15085 8685 23770 TOTALS 0 3441 299 24870 14515 39385 TOTN_ - JURISDICTIONN. INCLUDING 6ETLId4D5 CHANNELS 21762 ~~ I G~ T L ~~~ I ~~ W~TL AND ~~ tl ~ Hi 1 ~ ~~ tl ~ i~i5 ro ~, ~, P C A ~ ~ ~~ DATE: MARCH 31, 204 REV x 3 catcers JuRE JJ. woa RiEST RAVEN L SSOCIATES INC M~' ~i REV tl 4 ~ni5 w~i ). ~, , , . I PROJECT: 1998-Q2B. C01 ,~GT ~~~5 Rev X 5 cutEnrs tatt~R w, ma I.AA1D UST CONSULTANTS PLANNERS ' LANDSCME DLSIGNI:RS %SURVISYORS' L'NGUILLRS FEV N 6 fl)ffHJS JNWHtt ]0 JtlUI-B Cau}~la An:.SWS ICW kil~pN(: 17G15.1Ton 51ST 7il-0)UG Fu 9lS ltlJ~lJtltl 6m,dlhsU2nm(1u ¢.com SHEET PURPO~ WETLANDS CHANNEL NEUSE BUFFER ZONE I ZONE 2 TOTAL' SQ. FT. SQ FT. LINEAR FT. 5Q. FT. SGl FT. SQ. FT. 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I _ G`a ~ '~ , ~ ~ E -`cErnl,u 6 ~ `, 'lal c,,, - / l OF, 8'.EV~.91 GAO. ~ _ _ - i '21f ^~i ~~ _ - ly pp, ~ \ -- _ _ Teo ~; ~,~,~, ~ R ~ - /~ ~ ~ ti ~ - - - _ -- ~ ~~~ .~`t ,SID` ~'BUFFEI~ - ~ ~,I NP%tGT, A~~ f '~XI~' sr. ~ ~.~~~ - ' RpAD .GR05Si~ICi ~t'STORM SEI~R ~ `~~ `~, ' ! ~~, `I , ~ETLAIR ARPAS ` ' - 1 . , 1 ( , ~ , ,~ / i ' / ~~ ~~I ~- -. ~ -- -- ~ /r \ ,- _ :'~, r _ ~_ i ..~ l~ -- _ - ~~ --_~ ~•,~ -~ - - ~ ~ ~. ~ - -- ~'• ~if~ -' ~ - ," ~._ ., ".• 1 .. - ~ ~ ~~ ~~" ~i-r _ ~~ ',. -'. ~, _ ~; - ~" _ _ - / _. _- ~. ~ ___ ~ ~ '~ ~ MANHOLE W/ flAFFEL IF NEEDED Cl~ ENERG7 DISSIPATION DEVICE SEE DETAI L ~ ~ EXISTING GROUND 3' +/- STORM PIPE / \', 3 IJ RIPRAP 12"+/- DISSIPATOR PAD 3' t/- LINE SPILLWAY WITH GRASS LINED BOTTOM CLA55 A 3"DIAP'ETER RIPRAP DI~~US~ SLOW LEVEL SPREADER CALCS. ( 13 LF PER I CFSf #I 13.44 CFS X 13 LF/CFS = 1 75. 0~ LF DIFFUSE FLOW LEVEL SPi~EADER DEVICE DETAIL SHEET # 9 SCALE: i " =50' H I " =5' V SHEE i # i 0 SG~ALE: I " =50' H I " =5' V ~- NOTE FOR ALL CULVERT ROAD CROSSINGS OF WETLAND 400 ~ I 4OO RE 1 L 8E N EEp ~ I SAFE PASSAGE I GONSTRUCTIGJ HA7 W L PROMOT HE i I I 1 OF FISH AND OTHER AQUATIC ORGANISMS. ALL ~ CULVERTS WILL BE INSTALLED TO A DEPTH OF CNE ~ ~ ' FOOT BELOW THE BED OF THE STREAM OR WETLAND. I I I FOR ALL LULVER7 CONSTRUCTION ACTIVITIES, THE ~ ~ I DIMENSION, PATTERN AND PROFILE OF THE STREAM, ~ w i I (ABOVE AND BELOW A PIPE OR LULVER71, SHOULD NOT ~ I + ' pt BE MODIFIED BY WIDENING THE STREAM CHANNEL OR I I ~ ~ o ~ BY REDUCING THE DEPTH OF THE STREAM BEYOND THE d ~ LIMITS OF THE PERMITTED IMPACT. CULVERT ~ ~ w ! INVERTS WILL BE INSTALLED AT LEAST ONE FCOT I i ~ ~ BELOW THE 8ED OF THE STREAM FOR CULVERTS GREATER THAN 48 INCHES IN DIAMETER. FOR i I i i I GULV RT I M R E S 4B NCHES IN DIAMETER AND 5 ALLE , I ~ ! i I CULVERTS MlJST BE INSTALLED BELOW THE BED of THE I i ! ~ STREAM TD A DEPTH EQJAL TO OR GREATER THAN 20 i I ~ ~ ~, PERCENT OF THE DIAMETER OF THE CULVERT. I BOTTOMLESS ARCH CULVERTS WILL SATISFY THIS i ___ ~ PROPOSED ~ '~, GANDITION. A WAIVER FROM THE DEPTH 390 I ADE I 3 %0 E NS T ~GT~A V aL L BE REQUESTED TING N WR WAf ER WI ONLY BE ISSUED IF IT CAN BE DEMONSTRATED THAT THE - ', IMPACTS OF COMPLYING WITH THIS REGIONAL EX GRRDF CONDITION WGULD RESULT IN MORE ADVERSE IMPACTS TO THE AQUATIC ENVIRGNMENT. i - --- ---- ~' F 3b RC A, DU L GLASS I SIP-RAP f ~ I W/ 6EOTE~C71 LE 380 ~ ~R--- -' 380 I I ~ i I i ,- i m m I b" hL 370 VELOCITYIDISSIPATOR P L=24. 0' bd 1~6' DEPTH=22'~ STONE - LASS I Pte= 13' Vio=11,4~F/5 360 I ~ i '. I 0+00 I+00 2+00 370 360 SHEET # it SCALE: I " =50' H I " =5' V - r - -- - a w +~ z ,, I - N m m I r r ~ i ~ O N i ~ ~ N N Ali ~ i 360 '~ ~ _ r II 360 I i ~ I ~ GRAL}E I I I ~ i ~ , i 12" WL ' 8'55 USE NCLbT 0 350 - " ~ ~%' 350 ~, I as dc7 _ 21 us rlc ' 120. DETAILY b38.70 I i h I i I I EX.6RADE '. 20. l~ GLASS ~ RIP-RAP ~ NLET I~ROTEGTION EXTILE j -~--` i I UNDERL IINER ~ ~~ ~ 340 '' ! ; ! 340 VELOCITY PISSIPATOR PAD 'i I = ~ DEPTH=27 ', I N v r i ~ D~=23' ~ ~ m i ~ m I I. Vio=20.5 FYS ~ z II ? ii 330 ; 330 I Nf~',RCT I ~- NOTE FOR ALL CULVERT ROAD CROSSINGS OF WETLAND AREAS. MEASURES WILL BE INCLUDED IN THE CONSTRUCTION THAT WILL PROMOTE THE SAFE PASSAGE OF FISH AND OTHER AQUATIC ORGANISMS. ALL CULVERTS WILL BE INSTALLED TO A DEPTH OF ONE FOOT BELOW THE BED OF THE STREAM OR WETLAND. FOR ALL CULVERT CONSTRUCTION ACTIVITIES. THE DIMENSION, PATTERN AND PROFILE OF THE STREAM, (ABOVE AND BELOW A PIPE OR CULVERT), SHOULD NOT BE MODIFIED BY WIDENING THE STREAM CHANNEL OR BY REDUCING THE DEPTH OF THE STREAM BEYOND THE LIMITS OF THE PERMITTED IMPACT. CULVERT INVERTS WILL BE INSTALLED AT LEAST ONE FOOT BELOW THE BED OF THE STREAM FOR CULVERTS GREATER THAN 48 INCHES IN DIAhETER. FOR CULVERTS 48 INCHES IN DIAMETER AND SMALLER, CULVERTS NlJST BE INSTALLED BELOW THE BED OF THE STREAM TO A DEPTH EQUAL TO OR GREATER THAN 20 PERCENT OF THE DIAMETER OF THE CULVERT. BOTTOMLESS ARCH CULVERTS WILL SATISFY THIS CONDITION. A WAIVER FROM THE DEPTH SPECIFICA710N5 IN THIS REGIONAL CONDITION MAY BE REQUESTED IN WRITING. THE WAIVER WILL ONLY BE ISSUED IF IT CAN BE DEMONSTRATED THAT THE IMPACTS OF COMPLYING WITH THIS REGIONAL CONDITION WOULD RESULT IN MORE ADVERSE IMPACTS TO THE AQUATIC ENVIRONMENT. ~ i 0+00 I +DO 2+00 SHEET # 12 SCALE: NTS SEE PLAN FOR PRESSURE-TREATED bxb TIMBERS 8~I I n TOP OF WALL - SEE PLAN FOR ELEVATION y~ acaw e• - " =eeanim ,cMr utk. r wot ~~' 1'I I I ! EiF/AIION SECiiOm TYP I GAL >~NT I -SEEP GOLL~4R TYPICAL EXIST.J u~ MIN. 3'-0' GROUND PROFILE BELOW GRADE TIMBER DETENTION LEVEL SPREADER (AKA - DENNIS G. PRIEST MEMORIAL TIMBER DETENTION LEVEL SPREADER} NO SCALE 3'DIA.CLASS A I z l RIP-RAP, 6" DEPTH W/ 6EOTEXTiLE FABRIC UNDERLINER.LOCATED AT DOWN STREAM (NON-IMPOUNDMENT) SIDE ~ __.__ ,... n ICE FABRIC WASHSTONE ~ EA~RIC SECTION IN ADDITION TO THE TIMBER &1LK HEADS AND DUE TO PIELD CONDITIONS THE ABOVE DETAIL WAS CONSTRUCTED FOR EACH DETENTION DEVICE 3' - 0' SET H BEAM 7~'~ MIN. I N CONC. BASE I~@~ MI N. I/4 CU. YD WEIR WALL SECTION I / 2" X3' WOOD SCREW TOP T1N18ER IN EACH CCL i1-[JtAf'I ~~~~~URE-TREATED 6x6 TIMBERS WEIR WALL PLAN VIEW NTS NOTE ANTI-SEEP COLLARS SHALL BE INSTALLED CN ANY SECTION OF SEWER LINE WHICH RUNS WITHIN WETLANDS FOR MORE THAN 250 LINEAR FEET. TH